: A major season-long arc involves a budding serial killer, Ronald Edward Winter (the "Silver Ink Killer"), who sends taunting letters to Maxine Roby and becomes a primary antagonist for Allie Rajan.

: In the season finale, Folsom is pushed to an emotional breaking point when his mother is murdered. He conducts an off-the-books investigation that ultimately leads to his arrest after the main suspect is found dead. Main Cast CSI: Vegas (TV Series 2021–2024) - IMDb

: Catherine investigates the murder of her friend Grace, leading her to track a suspect as far as Bulgaria to secure an immunity deal.

* Creator. Jason Tracey. * Paula Newsome. Matt Lauria. Mandeep Dhillon.

premiered on September 29, 2022, on CBS and consists of 21 episodes. This season features the return of franchise veteran Marg Helgenberger as Catherine Willows, who rejoins the Las Vegas Crime Lab to investigate the disappearance of her friend, Grace Huang. Core Storylines